A full-size replica of the space shuttle is slowly moved down Nasa Road 1 to Space Center Houston, Sunday, June 3, 2012, in Houston.
The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to its new home at Space Center Houston.
Photo: Michael Paulsen, Houston Chronicle

A full-size replica of the space shuttle is slowly moved down Nasa...

People watch as a full-size replica of the space shuttle enters Space Center Houston after a 5-hour trek down Nasa Road 1, Sunday, June 3, 2012, in Houston.
The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to its new home at Space Center Houston.
Photo: Michael Paulsen, Houston Chronicle

People watch as a full-size replica of the space shuttle enters...

Lacey Burnett, 6, center left, and Riley Repman, 6, center right, pose for a photo as they watch the full-size replica of the space shuttle enter Space Center Houston after a 5-hour trek down Nasa Road 1, Sunday, June 3, 2012, in Houston.
The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to its new home at Space Center Houston.
Photo: Michael Paulsen, Houston Chronicle

Lacey Burnett, 6, center left, and Riley Repman, 6, center right,...

Koral Hairgrove, 7, center, and Morgan Clar, 9, center right, cheer as a full-size replica of the space shuttle enter Space Center Houston after a 5-hour trek down Nasa Road 1, Sunday, June 3, 2012, in Houston.
The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to its new home at Space Center Houston.
Photo: Michael Paulsen, Houston Chronicle

A full-size replica of the space shuttle enters Space Center Houston after a 5-hour trek down Nasa Road 1, Sunday, June 3, 2012, in Houston.
The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to its new home at Space Center Houston.
Photo: Michael Paulsen, Houston Chronicle

A full-size replica of the space shuttle enters Space Center...

Morgan Clar, 9, left, and her mother Pam Clark, second from left, pose for a family photo as they pretend to lift the full-size replica of the space shuttle after it entered Space Center Houston after a 5-hour trek down Nasa Road 1, Sunday, June 3, 2012, in Houston.
Photo: Michael Paulsen, Houston Chronicle

Morgan Clar, 9, left, and her mother Pam Clark, second from left,...

People are reflected in a space suit during the "Shuttlebration Weekend" after the full-size replica of the space shuttle entered Space Center Houston, Sunday, June 3, 2012, in Houston.
Photo: Michael Paulsen, Houston Chronicle

People are reflected in a space suit during the "Shuttlebration...

River Wooldrige, 7, sits on top the shoulders of Hughes Harril as they watch the full-size replica of the space shuttle enter Space Center Houston after a 5-hour trek down Nasa Road 1, Sunday, June 3, 2012, in Houston.
Photo: Michael Paulsen, Houston Chronicle

River Wooldrige, 7, sits on top the shoulders of Hughes Harril as...

Judy Eatinger, left, and Debbie Dix watch as a full-size replica of the space shuttle is slowly moved down Nasa Road 1 to Space Center Houston, Sunday, June 3, 2012, in Houston.
The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to its new home at Space Center Houston.
Photo: Michael Paulsen, Houston Chronicle

A full-size replica of the space shuttle is surrounded by boats as it passes the Kemah Boardwalk on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

A full-size replica of the space shuttle is surrounded by boats as...

Crowds line the Kemah Boardwalk to watch as a full-size replica of the space shuttle passes on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

Crowds line the Kemah Boardwalk to watch as a full-size replica of...

A space shuttle mock up is moved on a barge near the Kemah bridge on it's way to Space Center Houston Friday, June 1, 2012, in Kemah.
Photo: James Nielsen, Chronicle

A space shuttle mock up is moved on a barge near the Kemah bridge...

Crowds line the Kemah Boardwalk to watch as a full-size replica of the space shuttle passes on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

Crowds line the Kemah Boardwalk to watch as a full-size replica of...

A space shuttle mock up is moved on a barge near the Kemah bridge on it's way to Space Center Houston Friday, June 1, 2012, in Kemah.
Photo: James Nielsen, Chronicle

A space shuttle mock up is moved on a barge near the Kemah bridge...

A full-size replica of the space shuttle passes the Kemah Boardwalk on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

A full-size replica of the space shuttle passes the Kemah Boardwalk...

Crowds line the Kemah Boardwalk to watch as a full-size replica of the space shuttle passes on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

Crowds line the Kemah Boardwalk to watch as a full-size replica of...

A space shuttle mock up is moved on a barge near the Kemah bridge on it's way to Space Center Houston Friday, June 1, 2012, in Kemah.
Photo: James Nielsen, Chronicle

A space shuttle mock up is moved on a barge near the Kemah bridge...

A full-size replica of the space shuttle passes the Kemah Boardwalk on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

A full-size replica of the space shuttle passes the Kemah Boardwalk...

Crowds line the Kemah Boardwalk to watch as a full-size replica of the space shuttle passes on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

Crowds line the Kemah Boardwalk to watch as a full-size replica of...

A space shuttle mock up is moved on a barge near the Kemah bridge on it's way to Space Center Houston Friday, June 1, 2012, in Kemah.
Photo: James Nielsen, Chronicle

A space shuttle mock up is moved on a barge near the Kemah bridge...

A full-size replica of the space shuttle passes the under Texas 146 bridge on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

A full-size replica of the space shuttle passes the under Texas 146...

Elena Marotti, a retired NASA employee, escorts the Space Shuttle replica as it crosses Clear Lake in rout to it's docking station, Friday, June 1, 2012, in Houston. The Shuttle will be mounted on it's transport vehicle on Saturday then driven to it's new home at Space Center Houston.
Photo: Nick De La Torre, Houston Chronicle

Elena Marotti, a retired NASA employee, escorts the Space Shuttle...

A space shuttle mock up is moved on a barge through the Galveston Ship Channel on it's way to Space Center Houston Friday, June 1, 2012, in Galveston.
Photo: James Nielsen, Chronicle

A space shuttle mock up is moved on a barge through the Galveston...

A space shuttle mock up is moved on a barge near the Kemah bridge on it's way to Space Center Houston Friday, June 1, 2012, in Kemah.
Photo: James Nielsen, Chronicle

A space shuttle mock up is moved on a barge near the Kemah bridge...

Crowds line the Kemah Boardwalk to watch as a full-size replica of the space shuttle passes on Friday, June 1, 2012, in Kemah. The mock-up shuttle Explorer arrived by barge from the Kennedy Space Center to a new home at Space Center Houston.
Photo: Smiley N. Pool, Houston Chronicle

Crowds line the Kemah Boardwalk to watch as a full-size replica of...

A fire boat from the Kemah Fire Department sprays one side of an arc for the replica as it crosses Clear Lake in rout to it's docking station, Friday, June 1, 2012, in Houston.
Photo: Nick De La Torre, Houston Chronicle

A fire boat from the Kemah Fire Department sprays one side of an...

Boats, wind surfers, and jest ski's surround the space shuttle replica as it crosses Clear Lake in rout to it's docking station, Friday, June 1, 2012, in Houston. The Shuttle will be mounted on it's transport vehicle on Saturday then driven to it's new home at Space Center Houston.
Photo: Nick De La Torre, Houston Chronicle

Boats, wind surfers, and jest ski's surround the space shuttle...

Spectators wait for the replica to dock at the northern edge of Clear Lake, Friday, June 1, 2012, in Houston.
Photo: Nick De La Torre, Houston Chronicle

Spectators wait for the replica to dock at the northern edge of...

The replica is stopped to adjust its steering as it approaches it's docking station, Friday, June 1, 2012, in Houston.
Photo: Nick De La Torre, Houston Chronicle

The replica is stopped to adjust its steering as it approaches it's...

Crews prepare for Shuttlebration, the arrival of the Space Shuttle replica, at the Houston Hilton NASA Clear Lake on Friday, June 1, 2012.

Photo: Nick De La Torre, Houston Chronicle

Crews prepare for Shuttlebration, the arrival of the Space Shuttle...

U.S. Congressman Nick Lampson poses for a picture with the space shuttle replica Friday, June 1, 2012, in Houston.
Photo: Nick De La Torre, Houston Chronicle

U.S. Congressman Nick Lampson poses for a picture with the space...

Faith Palomares, 17, of Clear Lake, poses for a picture in a space suit during Shuttlebration, the arrival of the Space Shuttle replica, Friday, June 1, 2012, in Houston.
Photo: Nick De La Torre, Houston Chronicle

Faith Palomares, 17, of Clear Lake, poses for a picture in a space...

Spectators get a good look at the space shuttle replica on the dock at the intersection of NASA Parkway and Space center Boulevard, Friday, June 1, 2012, in Houston. The Shuttle will be mounted on it's transport vehicle on Saturday then driven to it's new home at Space Center Houston.
Photo: Nick De La Torre, Houston Chronicle

Spectators get a good look at the space shuttle replica on the dock...